A strange div bug on Linux x86_64, (both dmd & ldc2): long -5000 / size_t 2 = 9223372036854773308

[mw]

On Thursday, 13 August 2020 at 19:03:38 UTC, H. S. Teoh wrote:
> On Thu, Aug 13, 2020 at 06:51:09PM +0000, mw via Digitalmars-d 
> wrote:
>> On Thursday, 13 August 2020 at 18:40:40 UTC, matheus wrote:
>> > On Thursday, 13 August 2020 at 13:33:19 UTC, bachmeier wrote:
>> > > ...
>> > > The source of wrong behavior is vec.length having type 
>> > > ulong. It
>> > > would be very unusual for someone to even think about that.
>> > 
>> > May I ask what type should it be?
>> 
>> Signed (size_t, the length of the machine's address space)
> [...]
>
> size_t is unsigned, because the address space of a 64-bit 
> machine is 2^64, but a signed value would only be able to 
> address half of that space (2^63).

Yes, I know that, that's why I put it in the brackets.

But for practical purpose: half that space is large/good enough, 
2^63 = 9,223,372,036,854,775,808, you sure your machine have that 
much memory installed? (very roughly, 9G of GB?)